Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

Note 8 - Stockholders' Equity - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Accumulated other comprehensive loss	$ 347	$ 344	$ 350	$ 341	$ 617	$ 642
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]
Accumulated other comprehensive loss	(222)		(222)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member]
Accumulated other comprehensive loss	(8)		(11)
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated other comprehensive loss	(1)		(1)
AOCI Attributable to Parent [Member]
Accumulated other comprehensive loss	$ (231)	$ (234)	$ (234)	$ (251)	$ (259)	$ (232)